3 # Part of a unified Makefile for building kernels. This part includes all
4 # the definitions that need to be after all the % directives except %RULES
5 # and ones that act like they are part of %RULES.
7 # Most make variables should not be defined in this file. Instead, they
8 # should be defined in the kern.pre.mk so that port makefiles can
9 # override or augment them.
11 # In case the config had a makeoptions DESTDIR...
13 MKMODULESENV+= DESTDIR="${DESTDIR}"
15 SYSDIR?= ${S:C;^[^/];${.CURDIR}/&;}
16 MKMODULESENV+= KERNBUILDDIR="${.CURDIR}" SYSDIR="${SYSDIR}"
18 .if defined(CONF_CFLAGS)
19 MKMODULESENV+= CONF_CFLAGS="${CONF_CFLAGS}"
23 MKMODULESENV+= WITH_CTF="${WITH_CTF}"
28 .for target in all clean cleandepend cleandir clobber depend install \
30 ${target}: kernel-${target}
31 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
32 ${target}: modules-${target}
34 cd $S/modules; ${MKMODULESENV} ${MAKE} \
35 ${target:S/^reinstall$/install/:S/^clobber$/cleandir/}
39 # Handle out of tree ports
40 .if !defined(NO_MODULES) && defined(PORTS_MODULES)
41 PORTSMODULESENV=SYSDIR=${SYSDIR}
42 .for __target in all install reinstall clean
43 ${__target}: ports-${__target}
45 .for __i in ${PORTS_MODULES}
46 cd $${PORTSDIR:-/usr/ports}/${__i}; ${PORTSMODULESENV} ${MAKE} -B ${__target:C/install/deinstall reinstall/:C/reinstall/deinstall reinstall/}
51 .ORDER: kernel-install modules-install
53 kernel-all: ${KERNEL_KO} ${KERNEL_EXTRA}
55 kernel-cleandir: kernel-clean kernel-cleandepend
58 find . -maxdepth 1 ! -type d ! -name version -delete
62 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
65 .if !defined(NO_MODULES_OBJ)
66 modules-all modules-depend: modules-obj
71 FULLKERNEL= ${KERNEL_KO}
73 FULLKERNEL= ${KERNEL_KO}.debug
74 ${KERNEL_KO}: ${FULLKERNEL} ${KERNEL_KO}.symbols
75 ${OBJCOPY} --strip-debug --add-gnu-debuglink=${KERNEL_KO}.symbols\
76 ${FULLKERNEL} ${.TARGET}
77 ${KERNEL_KO}.symbols: ${FULLKERNEL}
78 ${OBJCOPY} --only-keep-debug ${FULLKERNEL} ${.TARGET}
79 install.debug reinstall.debug: gdbinit
80 cd ${.CURDIR}; ${MAKE} ${.TARGET:R}
82 # Install gdbinit files for kernel debugging.
84 grep -v '# XXX' ${S}/../tools/debugscripts/dot.gdbinit | \
85 sed "s:MODPATH:${.OBJDIR}/modules:" > .gdbinit
86 cp ${S}/../tools/debugscripts/gdbinit.kernel ${.CURDIR}
87 .if exists(${S}/../tools/debugscripts/gdbinit.${MACHINE_CPUARCH})
88 cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_CPUARCH} \
89 ${.CURDIR}/gdbinit.machine
93 ${FULLKERNEL}: ${SYSTEM_DEP} vers.o
95 @echo linking ${.TARGET}
98 ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${SYSTEM_OBJS} vers.o
101 ${OBJCOPY} --strip-debug ${.TARGET}
104 .if defined(MFS_IMAGE)
105 @sh ${S}/tools/embed_mfs.sh ${FULLKERNEL} ${MFS_IMAGE}
108 .if !exists(${.OBJDIR}/.depend)
109 ${SYSTEM_OBJS}: assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/}
112 LNFILES= ${CFILES:T:S/.c$/.ln/}
114 .for mfile in ${MFILES}
115 # XXX the low quality .m.o rules gnerated by config are normally used
116 # instead of the .m.c rules here.
117 ${mfile:T:S/.m$/.c/}: ${mfile}
118 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -c
119 ${mfile:T:S/.m$/.h/}: ${mfile}
120 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -h
124 rm -f *.o *.so *.So *.ko *.s eddep errs \
125 ${FULLKERNEL} ${KERNEL_KO} ${KERNEL_KO}.symbols \
126 linterrs makelinks tags vers.c \
127 vnode_if.c vnode_if.h vnode_if_newproto.h vnode_if_typedef.h \
128 ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
132 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \
135 # This is a hack. BFD "optimizes" away dynamic mode if there are no
136 # dynamic references. We could probably do a '-Bforcedynamic' mode like
137 # in the a.out ld. For now, this works.
138 HACK_EXTRA_FLAGS?= -shared
141 ${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So
144 # This rule stops ./assym.s in .depend from causing problems.
147 assym.s: $S/kern/genassym.sh genassym.o
148 NM='${NM}' sh $S/kern/genassym.sh genassym.o > ${.TARGET}
150 genassym.o: $S/$M/$M/genassym.c
151 ${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c
153 ${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
155 kernel-depend: .depend
156 # The argument list can be very long, so use make -V and xargs to
158 SRCS= assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \
159 ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
160 ${MFILES:T:S/.m$/.h/}
161 .depend: .PRECIOUS ${SRCS}
163 ${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES | \
164 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS}
165 ${MAKE} -V SFILES | \
166 MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS}
171 .if ${MACHINE} != ${MACHINE_CPUARCH}
172 _ILINKS+= ${MACHINE_CPUARCH}
174 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
178 # Ensure that the link exists without depending on it when it exists.
179 .for _link in ${_ILINKS}
180 .if !exists(${.OBJDIR}/${_link})
186 @case ${.TARGET} in \
188 path=${S}/${MACHINE}/include ;; \
190 path=${S}/${.TARGET}/include ;; \
192 ${ECHO} ${.TARGET} "->" $$path ; \
193 ln -s $$path ${.TARGET}
195 # .depend needs include links so we remove them only together.
197 rm -f .depend ${_ILINKS}
200 egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
201 sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
202 ${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
203 sort -u | comm -23 - dontlink | \
204 sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
205 sh makelinks; rm -f dontlink
208 @[ -f .depend ] || { echo "you must make depend first"; exit 1; }
209 sh $S/conf/systags.sh
212 @if [ ! -f ${KERNEL_KO} ] ; then \
213 echo "You must build a kernel first." ; \
216 .if exists(${DESTDIR}${KODIR})
217 -thiskernel=`sysctl -n kern.bootfile` ; \
218 if [ ! "`dirname "$$thiskernel"`" -ef ${DESTDIR}${KODIR} ] ; then \
219 chflags -R noschg ${DESTDIR}${KODIR} ; \
220 rm -rf ${DESTDIR}${KODIR} ; \
222 if [ -d ${DESTDIR}${KODIR}.old ] ; then \
223 chflags -R noschg ${DESTDIR}${KODIR}.old ; \
224 rm -rf ${DESTDIR}${KODIR}.old ; \
226 mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
227 sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \
230 mkdir -p ${DESTDIR}${KODIR}
231 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR}
232 .if defined(DEBUG) && !defined(INSTALL_NODEBUG) && \
233 (defined(MK_KERNEL_SYMBOLS) && ${MK_KERNEL_SYMBOLS} != "no")
234 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR}
236 .if defined(KERNEL_EXTRA_INSTALL)
237 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_EXTRA_INSTALL} ${DESTDIR}${KODIR}
243 @-chflags -R noschg ${DESTDIR}${KODIR}
244 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR}
245 .if defined(DEBUG) && !defined(INSTALL_NODEBUG) && \
246 (defined(MK_KERNEL_SYMBOLS) && ${MK_KERNEL_SYMBOLS} != "no")
247 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR}
250 config.o env.o hints.o vers.o vnode_if.o:
254 config.ln env.ln hints.ln vers.ln vnode_if.ln:
257 vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
258 MAKE=${MAKE} sh $S/conf/newvers.sh ${KERN_IDENT}
260 vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src
261 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c
263 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: $S/tools/vnode_if.awk \
265 vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
266 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
268 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p
270 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -q
272 # XXX strictly, everything depends on Makefile because changes to ${PROF}
273 # only appear there, but we don't handle that.